You can browse over my unrequited love list http://www.mangago.me/home/mangalist/43233/ or much better check my "not straight anymore" men here http://www.mangago.me/home/mangalist/43415/ i noted if the uke/seme started out straight
http://www.mangago.me/read-manga/itsuka_tomodachi_ja_nakunaru_to_shite_mo/
http://www.mangago.me/read-manga/seinen_wa_ai_o_kou/
http://www.mangago.me/read-manga/wonderful_days/
http://www.mangago.me/read-manga/tomodachi_ijou_no_koto_shitai/
cant remeber if he have thoughts about confession or not
http://www.mangago.me/read-manga/baka_de_guzu_wa_daikirai/
http://www.mangago.me/read-manga/daiji_na_koto_na_no_de_nido/
http://www.mangago.me/read-manga/omairi_desu_yo/

i am really in the mood for yaoi about the uke or seme being in love onesidedly with a straight guy (friend or coworker) and is seriously conflicted with whether or not they should confess or cut ties with them... and of course any recommendations i may receive are greatly appreciated ٩(๑❛ᴗ❛๑)۶